you know folks who save hundreds of dollars by switching to geico sure are happy. how happy are they jimmy? happier than antelope with night-vision goggles. nice! get happy. get geico. fifteen minutes could save you fifteen percent or more. >>> look that. >> oh, right. you're looking at the astonishing fight between two mans we think of as gentle. that is until now. giraffes going neck and neck in a violent attack caught on tape. i have to say, guys, it's all over a girl. >> of course it is. what else would it -- >> not to be trusted to -- >> what else would it be? >> we have to keep these two guys apart. >> yeah, yeah, yeah. >> good morning, america. >> we'll be head-butting. >> exactly. please let's get to the show. >> claiborne and i have a history. let's put it that way. >> george, robin, lara, josh, and sam are all with their families on this last day of 2012. i'm elizabeth vargas here with dan abrams, ron claiborne, rachel smith. >> i want to snow if ginger flips the switch, whether the ball goes? >> she might be bored enough, bold enough to flip it early. >>